Name: Quinoline

Foreign name: Quinoline

Sexual quality: easily soluble in hot water, hardly soluble in cold water

Molecular formula: C9H7N

Molecular weight 129.16

CAS number 91-22-5

Melting point -15.6 ℃

Boiling point: 238.05°C, 114°C (2.27kPa)

Relative density 1.0929 (20/4℃)

Refractive index 1.62683

Flash point 101℃

Application and purpose

1. Quinoline is used to prepare niacin and quinolinol drugs, cyanine pigments and photosensitive pigments, rubber accelerators, and pesticide 8-hydroxyquinolinones. The oral LD50 of rats is 460mg/kg.

2. Used as organic synthesis reagent, alkaline condensing agent and solvent.

3. Used as analytical reagent and solvent, and also used for the separation of vanadate and arsenate.

4. To make cardiotonic agents, which can also be used as acids, solvents, preservatives, etc.; in the pharmaceutical industry to make niacins and 8-hydroxyquinoline drugs; in the printing and dyeing industry to prepare cyanine pigments and photosensitive pigments; in the rubber industry Production accelerator; used in agriculture to produce pesticides such as copper quinolate.